英语词汇“backing space”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	backing space
释义	backing space backing space [′bak·iŋ ‚spās] (engineering) Space between a fore pump and a diffusion pump in a leak-testing system.
随便看	elephant throat bot fly elephant tree elephant trunk elephant trunk access area elephant trunk clam elephant trunks elephant-tusk elephant yam elephant’s gall elephas elephas maximus elepl eleps eleq eler elerium elerwind eles el escorial elestrin eleto eletrical engineering eletricity eletripan eletriptan

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